Lexus IS250 IS220d GSE20 ALE20 - STEERING COLUMN
POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM - TERMINALS OF ECU
| MULTIPLEX TILT & TELESCOPIC ECU |
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| TEM+ (A-2) - GND (J28-11) | - (Not available) - W-B | Telescopic motor output | Engine switch on (IG) Telescopic steering contracts | 10 to 14 V |
| Telescopic motor is not operating | Below 1 V | |||
| VCE (A-3) - E2 (A-5) | - (Not available) | Telescopic sensor power source | Engine switch on (IG) | 8 to 16 V |
| TES (A-4) - E2 (A-5) | - (Not available) | Telescopic sensor signal | Telescopic motor is operating | Pulse generation HI: 8 to 16 V LOW: 0 V |
| E2 (A-5) - Body Ground | - (Not available) - Body Ground | Telescopic sensor ground | Always | Below 1 V |
| TEM- (A-6) - GND (J28-11) | - (Not available) - W-B | Telescopic motor output | Engine switch on (IG) Telescopic steering extends | 10 to 14 V |
| Telescopic motor is not operating | Below 1 V | |||
| TIM- (J28-1) - GND (J28-11) | V - W-B | Tilt motor output | Engine switch on (IG) Steering tilts down | 10 to 14 V |
| Tilt motor is not operating | Below 1 V | |||
| +B (J28-2) - GND (J28-11) | SB - W-B | Motor power source | Always | 10 to 14 V |
| MPX1 (J28-5) - GND (J28-11) | GR - W-B | Multiplex communication | Engine switch on (IG) | Below 1 V |
| VCI (J28-6) - E1 (J28-17) | G - O | Tilt sensor power source | Engine switch on (IG) | 8 to 16 V |
| TIS (J28-7) - E1 (J28-17) | R - O | Tilt sensor signal | Tilt motor is operating | Pulse generation HI: 8 to 16 V LOW: 0 V |
| IG (J28-8) - GND (J28-11) | B - W-B | IG signal / IG power source | Engine switch on (IG) | 10 to 14 V |
| Engine switch off | Below 1 V | |||
| ECUB (J28-9) - GND (J28-11) | LG -W-B | ECU power source | Always | 10 to 14 V |
| TIM+ (J28-10) - GND (J28-11) | P - W-B | Tilt motor output | Engine switch on (IG) Steering tilts up | 10 to 14 V |
| Tilt motor is not operating | Below 1 V | |||
| GND (J28-11) - Body ground | W-B - Body Ground | ECU ground | Always | Below 1 V |
| E1 (J28-17) - Body Ground | O - Body Ground | Tilt sensor ground | Always | Below 1 V |